Stand Off
by Crystal Harman
Title
Stand Off
Artist
Crystal Harman
Medium
Photograph - Photography
Description
Gorillas move around by knuckle-walking, although they sometimes walk bipedally for short distances while carrying food or in defensive situations. Wild male gorillas weigh 135 to 180 kg (298 to 397 lb) while adult females usually weigh half as much as adult males at 68�113 kg (150�249 lb). Adult males are 1.7 to 1.8 m (5.6 to 5.9 ft) tall, with an arm span that stretches from 2.3 to 2.6 m (7.5 to 8.5 ft). Female gorillas are shorter with smaller arm spans Adult male gorillas are known as silverbacks due to characteristic silver hair on their backs reaching to the hips. Occasionally, a silverback of over 1.8 metres (5 ft 11 in) and 230 kg (510 lb) has been recorded in the wild. Obese gorillas in captivity can weigh as much as 270 kg (600 lb). Gorilla facial structure is described as mandibular prognathism, that is, the mandible protrudes farther out than the maxilla. Adult males also have a prominent sagittal crest.
Uploaded
March 10th, 2014
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